Primitive Obsession is not called “Primitive Preference” for a reason: we can find ourselves clinging to primitives like addicts, even when every aspect of our project nudges us, hints, and screams that we should be doing something different. It’s never just “a string”. It’s never just “an integer”.

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In my recent post titled “The Rake and Its Prongs” I introduced a function towards the end, called NSRange.isValidInsertionPointLocation(at:). It’s used to consider the after-end location as part of the range.

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